Intelligent sound field control system

ABSTRACT

An intelligent sound field control system, which relates to a sound field modulation device and is provided with a WiFi/wireless/wire network main control device, a notebook computer, a wireless universal serial bus dongle, a tablet computer, a motion control electronic device and a reflecting medium, is capable of integrally controlling states of different sound reflecting mediums. Accordingly, an indoor acoustic parameter can be varied and electromechanical integration can be achieved, thereby promoting usage convenience, accuracy and usability.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a sound field modulation device, and inparticular relates to an intelligent sound field control system capableof integrally controlling states of different sound reflecting mediumsto change an indoor acoustic parameter and to achieve electromechanicalintegration.

2. Description of the Related Art

Adjustable reverberant devices are essential to any specialized ormultifunctional concert halls or indoor acoustic locations to achieveindividual purposes of optimal acoustic index of music works such asreverberant time. That is, an acoustic adjustable device shall benecessarily provided to attain optimal acoustic index for differenttypes of concerts, performances or meetings. At present, for thedomestic concert halls that are provided with the adjustable sound fielddevices, methods of artificially adjusting sound reflecting mediumstates to change sound fields are generally applied. However, thesemethods has defects such as less intelligentization, long operationtime, no memories with particular acoustic filed, insufficient accuracyand complications.

Wang Shiau-Dung, et al. (including Wang Shiau-Dung, MM Yi-Jian, HanMau-Wei, Jang Wan-Ting, Chai Jing Jing; The features analysis of thedesign and sound field of multifunctional concert halls; Journal ofShaanxi Normal University (Natural Science Edition); 2011.06) disclosedthe features analysis of the design and sound field of multifunctionalconcert halls.

CN1901760B Chinese patent discloses an acoustic sound field measuringdevice and an acoustic sound field measuring method. The acoustic soundfield measuring device comprises a microphone set, a measuring unit anda position calculating unit. The microphone set has first and secondspaced microphones that are designated to collect audio signals outputfrom first and second speakers. The measuring unit is utilized tomeasure the distances of the first and second speakers and a distancebetween the first and second microphones in accordance with the audiosignals collected by the first and second microphones. When the firstspeaker is taken as a standard position, the positions of the first andsecond microphones and the position of the second speaker can becalculated in accordance with corresponding measured distances.

BRIEF SUMMARY OF THE INVENTION

The main purpose of the invention is to provide an intelligent soundfield control system, which is capable of integrally controlling statesof different sound reflecting mediums to change an indoor acousticparameter and to achieve electromechanical integration and promotingusage convenience, accuracy and usability.

The invention is provided with a WiFi/wireless/wire network main controldevice, a notebook computer, a wireless universal serial bus dongle, atablet computer, a motion control electronic device and a reflectingmedium. The WiFi/wireless/wire network main control device isrespectively connected to an optional man-machine operation devicenotebook computer, the tablet computer and multiple sets of motioncontrol electronic devices through an optional WiFi, or wireless or wirenetwork, the wireless universal serial bus dongle is an optionalwireless communication device that is utilized for connection of theman-machine operation device notebook computer, the tablet computer andthe WiFi/wireless/wire network main control device, theWiFi/wireless/wire network main control device is utilized for responseto a reflecting medium state control instruction transmitted from thenotebook computer or the tablet computer, the reflecting medium statecontrol instruction is accordingly utilized to control the correspondingmotion control electronic device so that a purpose of collectivelycontrolling each reflecting medium state can be attained and stateinformation of each reflecting medium state can be fed back. Anexecutive software, which is installed in a notebook computer or atablet computer, is capable of memorizing reflecting plate stateinformation in sets of scenes, conveniently setting scenes and providingexcellent repeatability property. The WiFi, or wireless or wire networkis an optional system communication. With the configuration of the servoelectrical machine or step electrical machine, transmission mechanismsand sensors, the motion control electronic device can precisely controlrotation angle, inclination angle and height of the reflecting mediumsto change the indoor sound field.

At least one of a flat-plate type reflecting plate array, a reflectingtriangle conformation array, and a suspension type spherical reflectingplate array is adopted by the reflecting medium.

The flat-plate type reflecting plate comprises a first surface formed asa reflective material layer and a second surface formed as an acousticabsorptive material layer.

Three surfaces of the reflecting triangle conformation are formed asmaterial layers provided with different acoustic absorptivecoefficients.

The suspension type spherical reflecting plate comprises a lower partformed as a reflective material layer and an upper part formed as anacoustic absorptive material layer.

By cooperating system communication of the WiFi, or wireless or wirenetwork with electromechanical controls and applying adjustable acousticfiled control, a precise control of acoustic filed can be realized.Besides, with the different adjusted sound fields capable of beingcontrolled and fed back through the computer, excellent repeatabilityproperty and operation convenience can be attained.

A detailed description is given in the following embodiments withreference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention can be more fully understood by reading thesubsequent detailed description and examples with references made to theaccompanying drawings, wherein:

FIG. 1 is a constitution diagram of an entire structure of an embodimentof the invention;

FIG. 2 is a control structure diagram of a flat-plate type reflectingplate array of an embodiment of the invention;

FIG. 3 is a control structure diagram of a reflecting triangleconformation array of an embodiment of the invention; and

FIG. 4 is a control structure diagram of a suspension type sphericalreflecting plate array of an embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION

The present invention can be more understood by reading the subsequentembodiment with references made to the accompanying drawings.

FIG. 1 is a constitution diagram of an entire structure of an embodimentof the invention, in which a WiFi/wireless/wire network main controldevice 1, a notebook computer 2, a wireless universal serial bus dongle3, a tablet computer 4, a motion control electronic device 5, at leastone of a flat-plate type reflecting plate array 6, a reflecting triangleconformation array 7 and a suspension type spherical reflecting platearray 8 are provided. The WiFi/wireless/wire network main control device1 is respectively connected to an optional man-machine operation devicenotebook computer, the tablet computer 4 and multiple sets of motioncontrol electronic devices through an optional WiFi, or wireless or wirenetwork. The wireless universal serial bus dongle 3 is an optionalwireless communication device that is utilized for connection of theman-machine operation device notebook computer, the tablet computer 4and the WiFi/wireless/wire network main control device 1.

FIG. 2 is a control structure diagram of a flat-plate type reflectingplate array of the embodiment of the invention, in which a servoelectrical machine or step electrical machine 62, a rotary machinerystructure 63, a rotary arm 64, a flat-plate type reflecting plate 65, aposition-limiting switch 66 and a starting point sensor 67 are provided.In FIG. 2, a sign ‘5’ represents a motion control electronic device.

The motion control electronic device 5, which is coupled to the servoelectrical machine or step electrical machine 62, the position-limitingswitch 66 and the starting point sensor 67, is utilized to control orstop the rotation of the servo electrical machine or step electricalmachine 62. The servo electrical machine or step electrical machine 62is coupled to the rotary arm 64 through the rotary machinery structure63. The rotary machinery structure 63 is coupled to the servo electricalmachine or step electrical machine 62 and the flat-plate type reflectingplate 65 by using the direct drive of the electrical machine andtransmission box or the chain drive or gear drive. The servo electricalmachine or step electrical machine 62 is fixed on the rotary arm 64, andthe position-limiting switch 66 and the starting point sensor 67 areconfigured on one side of the flat-plate type reflecting plate 65.

Initial original point information of the flat-plate type reflectingplate 65 is fed back to the motion control electronic device 5 throughthe starting point sensor 67.

The position-limiting switch 66 is a safety protection device directlycoupled to a power supply source of the system.

FIG. 3 is a control structure diagram of a reflecting triangleconformation array the invention, in which a servo electrical machine orstep electrical machine 72, a rotary machinery structure 73, areflecting triangle conformation 74 and a datum point sensor 75 areprovided. In FIG. 3, a sign ‘5’ represents a motion control electronicdevice.

The motion control electronic device 5, which is coupled to the servoelectrical machine or step electrical machine 72 and the datum pointsensor 75, is utilized to control or stop the rotation of the servoelectrical machine or step electrical machine 72.

The rotary machinery structure 73 is coupled to the servo electricalmachine or step electrical machine 72 and the reflecting triangleconformation 74, capable of using the direct drive of the electricalmachine and transmission box or the chain drive or gear drive. The datumpoint sensor 75 is configured on one side of the reflecting triangleconformation 74. Initial original point information of the reflectingtriangle conformation 74 is fed back to the motion control electronicdevice 5 through the datum point sensor 75.

FIG. 4 is a control structure diagram of a suspension type sphericalreflecting plate array of the invention, in which a servo electricalmachine or step electrical machine 82, a counting encoder 83, anoriginal point sensor 84, a position-limiting switch 85, a protectionswitch 86, a steel wire rope/chain 87, a floating ball 88, a suspensiontype spherical reflecting plate 89 and a rotary machinery structure 810are provided. In FIG. 4, a sign ‘5’ represents a motion controlelectronic device.

The motion control electronic device 5, which is coupled to the servoelectrical machine or step electrical machine 82, the counting encoder83, the original point sensor 84, the position-limiting switch 85 andthe protection switch 86, is utilized to control or stop the rotation ofthe servo electrical machine or step electrical machine 82. The servoelectrical machine or step electrical machine 82 is configured on anupper end of the steel wire rope/chain 87 through the rotary machinerystructure 810, the upper end of the steel wire rope/chain 87 is coupledto an upper surface of the suspension type spherical reflecting plate89, and the floating ball 88 is configured above the suspension typespherical reflecting plate 89.

Height information of the suspension type spherical reflecting plate 89is fed back to the motion control electronic device 5 through thecounting encoder 83.

Initial original point information of the suspension type sphericalreflecting plate 89 is fed back to the motion control electronic device5 through the original point sensor 84.

The position-limiting switch 85 and the protection switch 86 are formedas a safety protection device directly coupled to a power supply sourceof the system.

What is claimed is:
 1. An intelligent sound field control systemcharacterized in that a WiFi/wireless/wire network main control device,a notebook computer, a wireless universal serial bus dongle, a tabletcomputer, a motion control electronic device and a reflecting medium areprovided, the WiFi/wireless/wire network main control device isrespectively connected to an optional man-machine operation devicenotebook computer, the tablet computer and multiple sets of motioncontrol electronic devices through an optional WiFi, or wireless or wirenetwork, the wireless universal serial bus dongle is an optionalwireless communication device that is utilized for connection of theman-machine operation device notebook computer, the tablet computer andthe WiFi/wireless/wire network main control device, theWiFi/wireless/wire network main control device is utilized for responseto a reflecting medium state control instruction transmitted from thenotebook computer or the tablet computer, the reflecting medium statecontrol instruction is accordingly utilized to control the correspondingmotion control electronic device so that a purpose of collectivelycontrolling each reflecting medium state can be attained and stateinformation of each reflecting medium state can be fed back, and theWiFi, or wireless or wire network is an optional system communication,characterized in that at least one of a flat-plate type reflecting platearray, a reflecting triangle conformation array, and a suspension typespherical reflecting plate array is adopted by the reflecting medium,wherein i) the flat-plate type reflecting plate array includes a servoelectrical machine or step electrical machine, a rotary machinerystructure, a rotary arm, a flat-plate type reflecting plate, aposition-limiting switch and a starting point sensor: the motion controlelectronic device, which is coupled to the servo electrical machine orstep electrical machine, the position-limiting switch and the startingpoint sensor controls, or stops, rotation of the servo electricalmachine or step electrical machine, the servo electrical machine or stepelectrical machine is coupled to the rotary arm through the rotarymachinery structure, the rotary machinery structure is coupled to theservo electrical machine or step electrical machine and the flat-platetype reflecting plate by using the direct drive of the electricalmachine and transmission box or the chain drive or gear drive; and theservo electrical machine or step electrical machine is fixed on therotary arm, and the position-limiting switch and the starting pointsensor are configured on one side of the flat-plate type reflectingplate; ii) the reflecting triangle conformation array includes a servoelectrical machine or step electrical machine, a rotary machinerystructure, a reflecting triangle conformation and a datum point sensor:the motion control electronic device, which is coupled to the servoelectrical machine or step electrical machine and the datum point sensorcontrols, or stops, rotation of the servo electrical machine or stepelectrical machine, the rotary machinery structure is coupled to theservo electrical machine or step electrical machine and the reflectingtriangle conformation, capable of using the direct drive of theelectrical machine and transmission box or the chain drive or geardrive; the datum point sensor is configured on one side of thereflecting triangle conformation, Initial original point information ofthe reflecting triangle conformation is fed back to the motion controlelectronic device through the datum point sensor; and iii) thesuspension type spherical reflecting plate array, includes a servoelectrical machine or step electrical machine, a counting encoder, anoriginal point sensor, a position-limiting switch, a protection switch,a steel wire rope/chain, a floating ball, a suspension type sphericalreflecting plate and a rotary machinery structure: the motion controlelectronic device, which is coupled to the servo electrical machine orstep electrical machine, the counting encoder, the original point sensor, the position-limiting switch and the protection switch controls, orstops, rotation of the servo electrical machine or step electricalmachine, the servo electrical machine or step electrical machine isconfigured on an upper end of the steel wire rope/chain through therotary machinery structure, the upper end of the steel wire rope/chainis coupled to an upper surface of the suspension type sphericalreflecting plate, and the floating ball is configured above thesuspension type spherical reflecting plate.
 2. The intelligent soundfield control system as claimed in claim 1 characterized in that theflat-plate type reflecting plate comprises a first surface formed as areflective material layer and a second surface formed as an acousticabsorptive material layer.
 3. The intelligent sound field control systemas claimed in claim 1 characterized in that three surfaces of thereflecting triangle conformation are formed as material layers providedwith different acoustic absorptive coefficients.
 4. The intelligentsound field control system as claimed in claim 1 characterized in thatthe suspension type spherical reflecting plate comprises a lower partformed as a reflective material layer and an upper part formed as anacoustic absorptive material layer.